<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<h1>首页</h1>
<p th:text="${msg}"></p>
<hr>
<a th:href="@{/add}">添加</a>
<a th:href="@{/update}">修改</a>
</body>
</html>